很多时候你不知道该去做什么。

There are many times when you don't know what to do.

youdao

对于这些垃圾我们不知道该去做什么并且它污染了我们的陆地和海洋。

We do not know what to do with the rubbish and it pollutes our land and sea.

youdao

对于这些垃圾我们不知道该去做什么并且它污染了我们的陆地和海洋。

We do not know what to do with the rubbish and it pollutes our land and sea.

youdao